|verified|: Drupal Hook_file_download

When a user requests a file via a private path (e.g., /system/files/... ), Drupal's file system triggers hook_file_download across all enabled modules. The hook receives the file's as a parameter and must return one of three values:

: This grants access to the file. The array typically includes metadata like Content-Type or Content-Disposition . -1 : This explicitly denies access to the file. drupal hook_file_download

hook_file_download is a fundamental hook in Drupal used to control access to private files and specify the HTTP headers sent during their download. When a file is stored in a , it is not directly accessible via a web server URL; instead, Drupal processes the request through a PHP script that invokes this hook to determine if the user has permission to view it. How hook_file_download Works When a user requests a file via a private path (e

A common use case is restricting access to files based on a custom permission or a specific user role. function hook_file_download - Drupal API The array typically includes metadata like Content-Type or